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The article focuses on a study conducted by University of Toronto's Shaf Keshavjee and colleagues which demonstrated a new technique that uses gene therapy to help repair damaged donor lungs. The researchers demonstrated that the new technique reduced inflammation as well as improved lung function in pig lungs treated outside the body and transplanted into recipient pigs. They also found that it resulted in similar improvement in human donor lungs deemed unsuitable for transplantation. Also discussed are the strategies used by the new technique.

Evaluates the surgical treatment of pneumothorax in patients with acquired immunodeficiency syndrome (AIDS). Retrospective review of AIDS patients at the Hotel-Dieu de Montreal in Canada; Statistics on patients with pneumothoraces; Associated pathology; Initial and definitive treatments; Need for individualized treatment.

Focuses on a study by Martine Francois, et al, to determine the risk of bacteremia during tonsillectomy. Cultures of blood specimens that were taken from 32 children during surgery and tonsillar swabs that were obtained just before excision; Details.

Outlines a study by Tarja Randell, et al, of problems of postoperative airway maintenance after surgery for mandibular cancers. Study methods and results.